Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual 2008 tem um 2002 de um e um Torneio de Aberto da Austrália?
 ###Tabelas: CREATE TABLE appearances_by_team (appearances_by_team_id AUTO_INCREMENT PRIMARY KEY, Appearances INT, Team VARCHAR, Wins INT, Losses INT, Winning percentage INT, Season(s) VARCHAR) CREATE TABLE season_2006 (season_2006_id AUTO_INCREMENT PRIMARY KEY, Position INT, Club VARCHAR, Played INT, H-Win INT, H-Draw INT, A-Win INT, A-Draw INT, Lost INT, Def. INT, Pts For INT, Pts Agst INT, Pair INT, Long INT, Points INT, Average VARCHAR) CREATE TABLE grand_slam_tournament_performance_timeline (grand_slam_tournament_performance_timeline_id AUTO_INCREMENT PRIMARY KEY, Tournament VARCHAR, 2002 VARCHAR, 2003 VARCHAR, 2004 VARCHAR, 2005 VARCHAR, 2006 VARCHAR, 2007 VARCHAR, 2008 VARCHAR, 2009 VARCHAR, 2010 VARCHAR, 2011 VARCHAR, 2012 VARCHAR, Win % VARCHAR) CREATE TABLE composition_of_the_20th_seanad (composition_of_the_20th_seanad_id AUTO_INCREMENT PRIMARY KEY, Administrative Panel INT, Agricultural Panel INT, Cultural and Educational Panel INT, Industrial and Commercial Panel INT, Labour Panel INT, National University of Ireland INT, University of Dublin INT, Nominated by the Taoiseach INT, Total INT) CREATE TABLE politics (politics_id AUTO_INCREMENT PRIMARY KEY, Index VARCHAR, Organization VARCHAR, Year VARCHAR, Rank INT, Out of INT)  
SELECT 2008 FROM grand_slam_tournament_performance_timeline WHERE 2002 = a AND Tournament = australian open